aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/x86
diff options
context:
space:
mode:
authorFlorian Weimer <fweimer@redhat.com>2015-08-20 08:44:09 +0200
committerFlorian Weimer <fweimer@redhat.com>2015-08-20 08:44:37 +0200
commitcd4e69ed3e4b2d51ebd3dfaa0730793cf913de77 (patch)
treec95b512616c55ba5f40138a2dddf213f884eacf7 /sysdeps/x86
parent948e12a238715b2931cc42486db9e502ff943e54 (diff)
downloadglibc-cd4e69ed3e4b2d51ebd3dfaa0730793cf913de77.zip
glibc-cd4e69ed3e4b2d51ebd3dfaa0730793cf913de77.tar.gz
glibc-cd4e69ed3e4b2d51ebd3dfaa0730793cf913de77.tar.bz2
nptl: Document crash due to incorrect use of locks
Diffstat (limited to 'sysdeps/x86')
-rw-r--r--sysdeps/x86/elide.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/sysdeps/x86/elide.h b/sysdeps/x86/elide.h
index 47e89cf..6e53288 100644
--- a/sysdeps/x86/elide.h
+++ b/sysdeps/x86/elide.h
@@ -93,7 +93,9 @@ elision_adapt(signed char *adapt_count, unsigned int status)
ret; \
})
-/* Returns true if lock defined by IS_LOCK_FREE was elided. */
+/* Returns true if lock defined by IS_LOCK_FREE was elided. The call
+ to _xend crashes if the application incorrectly tries to unlock a
+ lock which has not been locked. */
#define ELIDE_UNLOCK(is_lock_free) \
({ \